129890320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231947}}^1$

素因数の和:231967

約数の個数: 40

約数和(自身を含む): 345138624

約数和(自身を除く): 215248304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231947, 463894, 927788, 1159735, 1623629, 1855576, 2319470, 3247258, 3711152, 4638940, 6494516, 8118145, 9277880, 12989032, 16236290, 18555760, 25978064, 32472580, 64945160, 129890320]

約数ペア:

[(1, 129890320), (2, 64945160), (4, 32472580), (5, 25978064), (7, 18555760), (8, 16236290), (10, 12989032), (14, 9277880), (16, 8118145), (20, 6494516), (28, 4638940), (35, 3711152), (40, 3247258), (56, 2319470), (70, 1855576), (80, 1623629), (112, 1159735), (140, 927788), (280, 463894), (560, 231947)]